>sp|P62799|H4_XENLA Histone H4 OS=Xenopus laevis OX=8355 PE=1 SV=2 MSGRGKGGKGLGKGGAKRHRKVLRDNIQGITKPAIRRLARRGGVKRISGLIYEETRGVLK VFLENVIRDAVTYTEHAKRKTVTAMDVVYALKRQGRTLYGFGG